Audubon Expedition Institute
- http://www.lesley.edu/gsass/audubon/index.html
- Fully accredited college program affiliated with the National Audubon Society. Its focus is on ecology and environmental issues. Offers a program overview, academics, campus life, admissions, stories, news, alumni information, and jobs.
BLM Learning Landscapes
- http://www.blm.gov/education/
- U.S. Bureau of Land Management educational resources and classroom materials on natural resources management, including wildlife, ecosystems, invasive species, and other topics.
Backyard Nature
- http://www.backyardnature.net/
- Nature study basics, with an emphasis on backyard plants and animals. Includes a section on naming and classification, list making, and "why bother with nature?"